Onyx Systems

Codata Systems Corporation was established by former Onyx Systems employees in 1979,{{ cite book | url=https://archive.org/details/Considerations_For_Use_Of_Microcomputers_In_Developing_Country_Statistical_Offic/page/n210/mode/1up | title=Considerations for Use of Microcomputers in Developing Country Statistical Offices | publisher=U.S. Department of Commerce | date=October 1983 | access-date=4 March 2023 | pages=198–199 }} introducing a similar Z8000-based product to that of Onyx Systems, the CTS-200 running [[Xenix]], before following up with a product based on the [[Motorola 68000]], the CTS-300, running its own Unix variant, Unisis, developed in conjunction with [[UniSoft]].{{ cite magazine | url=https://archive.org/details/sim_micro-marketworld_1981-11-16_4_46/page/n49/mode/1up | title=Codata Weds 68000-Based System With Unix OS | magazine=Computer Business News | last1=Greitzer | first1=John | date=16 November 1981 | access-date=4 March 2023 | pages=48,50 }} Unisis was based on Version 7 Unix, and Codata claimed to have been "the first to offer a [[microcomputer]]-based Unix on the M68000" and to have supplied 500 systems by early 1983.{{ cite magazine | url=https://archive.org/details/byte-magazine-1983-01-rescan/page/n15/mode/1up | title=No Shortage of Multiuser Unix Systems | magazine=Byte | last1=Vrolyk | first1=Beau | date=January 1983 | access-date=4 March 2023 | pages=14 }} Codata later released the Codata 3300 system employing an 8 MHz 68000 and having 320 KB of RAM, upgradeable to 1.5 MB, a 12 MB, 33 MB or 84 MB hard drive, and a floppy drive, priced at £8,900 for the entry-level model in the UK,{{ cite magazine | url=https://archive.org/details/PersonalComputerNews/PersonalComputerNews009-13May1983/page/n4/mode/1up | title=Codata 3300 tackles micro big league | magazine=Personal Computer News | date=13 May 1983 | access-date=4 March 2023 | pages=3 }} $9,600 in the US.{{ cite magazine | url=https://archive.org/details/computerworld1652unse/page/103/mode/1up | title=Codata Announces Unix-Based Micro | magazine=Computerworld | date=27 December 1982 | access-date=4 March 2023 | pages=103 }} The system employed the IEEE 796 [[Multibus]] standard.

Codata Systems Corporation was established by former Onyx Systems employees in 1979,{{ cite book | url=https://archive.org/details/Considerations_For_Use_Of_Microcomputers_In_Developing_Country_Statistical_Offic/page/n210/mode/1up | title=Considerations for Use of Microcomputers in Developing Country Statistical Offices | publisher=U.S. Department of Commerce | date=October 1983 | access-date=4 March 2023 | pages=198–199 }} introducing a similar Z8000-based product to that of Onyx Systems, the CTS-200 running [[Xenix]], before following up with a product based on the [[Motorola 68000]], the CTS-300, running its own Unix variant, Unisis, developed in conjunction with [[UniSoft]].{{ cite magazine | url=https://archive.org/details/sim_micro-marketworld_1981-11-16_4_46/page/n49/mode/1up | title=Codata Weds 68000-Based System With Unix OS | magazine=Computer Business News | last1=Greitzer | first1=John | date=16 November 1981 | access-date=4 March 2023 | pages=48,50 }} Unisis was based on Version 7 Unix, and Codata claimed to have been "the first to offer a [[microcomputer]]-based Unix on the M68000" and to have supplied 500 systems by early 1983.{{ cite magazine | url=https://archive.org/details/byte-magazine-1983-01-rescan/page/n15/mode/1up | title=No Shortage of Multiuser Unix Systems | magazine=Byte | last1=Vrolyk | first1=Beau | date=January 1983 | access-date=4 March 2023 | pages=14 }} Codata later released the Codata 3300 system employing an 8 MHz 68000 and having 320 KB of RAM, upgradeable to 1.5 MB, a 12 MB, 33 MB or 84 MB hard drive, and a floppy drive, priced at £8,900 for the entry-level model in the UK,{{ cite magazine | url=https://archive.org/details/PersonalComputerNews/PersonalComputerNews009-13May1983/page/n4/mode/1up | title=Codata 3300 tackles micro big league | magazine=Personal Computer News | date=13 May 1983 | access-date=4 March 2023 | pages=3 }} $9,600 in the US.{{ cite magazine | url=https://archive.org/details/computerworld1652unse/page/103/mode/1up | title=Codata Announces Unix-Based Micro | magazine=Computerworld | date=27 December 1982 | access-date=4 March 2023 | pages=103 }} The system employed the IEEE 796 [[Multibus]] standard.

Marsh and Myers themselves went on to leave Onyx in 1980 to found [[Plexus Computers]], another manufacturer of Unix systems, in [[Santa Clara, California]].{{cite magazine | last=Serlin | first=Omri | date=March 1987 | url=https://link.gale.com/apps/doc/A633702/GPS?u=fcla_main&sid=bookmark-GPS&xid=5c5dba55 | title=Plexus Computers | work=UNIX World | publisher=McGraw-Hill | volume=4 | issue=3 | pages=19 ''et seq''. | via=Gale}}{{cite book | editor-last=Zarrella | editor-first=John | date=1984 | url=https://www.google.com/books/edition/Microprocessor_Operating_Systems/gwuzAAAAIAAJ | title=Microprocessor Operating Systems | volume=3 | publisher=Microcomputer Applications | isbn=0935230033 | via=Google Books}}{{rp|8.15}}

Onyx's first Unix-based system was the first platform for the [[Informix]] [[relational database]] system.{{ cite web | url=http://archive.computerhistory.org/resources/text/Oral_History/Sippl_Roger/Sippl_Roger_1.oral_history.2005.102658001.pdf | title=Oral History of Roger Sippl | website=Computer History Museum | date=2005 | access-date=12 March 2023 | pages=12,16 }}

Onyx's first Unix-based system was the first platform for the [[Informix]] [[relational database]] system.{{ cite web | url=http://archive.computerhistory.org/resources/text/Oral_History/Sippl_Roger/Sippl_Roger_1.oral_history.2005.102658001.pdf | title=Oral History of Roger Sippl | website=Computer History Museum | date=2005 | access-date=12 March 2023 | pages=12,16 }}